Encyclopedia of radio and television:   A complete alphabetical reference to all aspects of modern radio technology  
/ Odhams Press Limited  
 - London:   Odhams Press Limited,   1957 
 - 736p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science 
<br/><br/><label>Subjects--Index Terms: </label>Radio  
<br/><br/><label>Universal Decimal Class. No.: </label>R 621.396/.397(03)  / J7